sync.h

/*
    Copyright (c) 2014 by Elvis Angelaccio

    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal
    in the Software without restriction, including without limitation the rights
    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the Software is
    furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in
    all copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    THE SOFTWARE.
*/

#ifndef SYNC_H
#define SYNC_H

#if (defined(_WIN32) || defined(__WIN32__) || defined(WIN32))
#include <windows.h>
#else
#include <pthread.h>
#endif


namespace server
{
    class Mutex
    {   
    public:
        
        Mutex();
        ~Mutex();
        
        void lock();

        void unlock();
        
    private:
        
#if (defined(_WIN32) || defined(__WIN32__) || defined(WIN32))
        HANDLE mutex;
#else
        pthread_mutex_t mutex;  
#endif  
    };
    

    class RWLock
    {
    
    public:
        
        RWLock();
        
        void rLock();
        
        void rUnlock();
        
        void wLock();
        
        void wUnlock();

    private:

        int readerCount;        
        Mutex countMutex;       
        Mutex writeMutex;       
    };

    
#if (defined(_WIN32) || defined(__WIN32__) || defined(WIN32))

    struct Event  
    {
        Event();
        
        ~Event();
        
        HANDLE event;
    };
    
    
#else
    
    struct CondVarBundle  
    {
        CondVarBundle();
        
        ~CondVarBundle();
        
        pthread_mutex_t mutex;
        pthread_cond_t cond;
        bool condition;
    };

#endif

}

#endif